AUBF ALL CHAPTERS STUDY QUESTIONS |LATEST UPDATE| 100% CORRECT

AUBF ALL CHAPTERS STUDY QUESTIONS |LATEST UPDATE| 100% CORRECT 1. All states require newborn screening for PKU for early: A. Modifications of diet B. Administration of antibiotics C. Detection of diabetes D. Initiation of gene therapy *Ans* A. Modifications of diet 2. All of the following disorders can be detected by newborn screening except: A. Tyrosyluria B. MSUD C. Melanuria D. Galactosemia *Ans* C. Melanuria 3. The best specimen for early newborn screening is a: A. Timed urine specimen B. Blood specimen C. First morning urine specimen D. Fecal specimen *Ans* B. Blood specimen 4. Abnormal urine screening tests categorized as an overflow disorder include all of the following except: A. Alkaptonuria B. Galactosemia C. Melanuria D. Cystinuria *Ans* C. Melanuria 5. Which of the following disorders is not associated with the phenylalanine-tyrosine pathway? A. MSUD B. Alkaptonuria C. Albinism D. Tyrosinemia *Ans* A. MSUD 6. The least serious form of tyrosylemia is: A. Immature liver function B. Type 1 C. Type 2 D. Type 3 *Ans* A. Immature liver function 7. An overflow disorder of the phenylalanine-tyrosine pathway that would produce a positive reaction with the reagentstrip test for ketones is: A. Alkaptonuria B. Melanuria C. MSUD D. Tyrosyluria *Ans* C. MSUD 8. An overflow disorder that could produce a false-positivereaction with Clinitest procedure is: A. Cystinuria B. Alkaptonuria C. Indicanuria D. Porphyrinuria *Ans* B. Alkaptonuria 9. A urine that turns black after sitting by the sink forseveral hours could be indicative of: A. Alkaptonuria B. MSUD C. Melanuria D. Both A and C *Ans* D. Both A and C 10. Ketonuria in a newborn is an indication of: A. MSUD B. Isovaleric acidemia C. Methylmalonic acidemia D. All of the above *Ans* D. All of the above 11. Urine from a newborn with MSUD will have asignificant: A. Pale color B. Yellow precipitate C. Milky appearance D. Sweet odor *Ans* D. Sweet odor 12. Hartnup disease is a disorder associated with the metabolism of: A. Organic acids B. Tryptophan C. Cystine D. Phenylalanine *Ans* B. Tryptophan 13. 5-HIAA is a degradation product of: A. Heme B. Indole C. Serotonin D. Melanin *Ans* C. Serotonin 14. Elevated urinary levels of 5-HIAA are associated with: A. Carcinoid tumors B. Hartnup disease C. Cystinuria D. Platelet disorders *Ans* A. Carcinoid tumors